kopia lustrzana https://github.com/pimoroni/pimoroni-pico
70 wiersze
1.7 KiB
C++
70 wiersze
1.7 KiB
C++
#include <math.h>
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#include <vector>
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#include "picographics_st7789.hpp"
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using namespace pimoroni;
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const int WIDTH = 240;
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const int HEIGHT = 240;
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PicoGraphicsST7789 display(WIDTH, HEIGHT, ROTATE_0, false, nullptr, get_spi_pins(BG_SPI_FRONT));
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int main() {
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display.set_backlight(255);
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// Delete the default palette and allow us to create up to 256 of our own RGB565 colours
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display.set_palette_mode(PicoGraphicsST7789::PaletteModeUSER);
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struct pt {
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float x;
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float y;
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uint8_t r;
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float dx;
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float dy;
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Pen pen;
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};
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std::vector<pt> shapes;
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for(int i = 0; i < 100; i++) {
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pt shape;
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shape.r = (rand() % 10) + 3;
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shape.x = rand() % (display.bounds.w - (shape.r * 2));
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shape.y = rand() % (display.bounds.h - (shape.r * 2));
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shape.x += shape.r;
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shape.y += shape.r;
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shape.dx = float(rand() % 255) / 64.0f;
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shape.dy = float(rand() % 255) / 64.0f;
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shape.pen = display.create_pen(rand() % 255, rand() % 255, rand() % 255);
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shapes.push_back(shape);
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}
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Pen BG = display.create_pen(120, 40, 60);
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Pen WHITE = display.create_pen(255, 255, 255);
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while(true) {
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display.set_pen(BG);
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display.clear();
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for(auto &shape : shapes) {
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shape.x += shape.dx;
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shape.y += shape.dy;
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if(shape.x < shape.r) shape.dx *= -1;
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if(shape.x >= display.bounds.w - shape.r) shape.dx *= -1;
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if(shape.y < shape.r) shape.dy *= -1;
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if(shape.y >= display.bounds.h - shape.r) shape.dy *= -1;
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display.set_pen(shape.pen);
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display.circle(Point(shape.x, shape.y), shape.r);
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}
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display.set_pen(WHITE);
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display.text("Hello World", Point(0, 0), 240);
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// update screen
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display.update();
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}
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return 0;
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}
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